M4.3 earthquake 22 km WNW of Cartagena, Chile
A magnitude 4.3 earthquake struck 22 km WNW of Cartagena, Chile on Mon, Aug 10, 2020, 5:15 AM GMT-4 (09:15 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M4.8 40 km W of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-08-10 09:15:14 UTC
- Depth
- 26.4 km (16.4 mi), shallow
- Epicenter
- 33.449° S, 71.812° W
- Region
- Chile
- Felt reports
- 9
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
9 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.3 Mwr
- Nodal plane 1
- Strike 345°, dip 28°, rake 79°
- Nodal plane 2
- Strike 177°, dip 63°, rake 96°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.6 km horizontally, 2.5 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 68°
- Stations used
- 57
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.933 km NE of Cartagena, Chile · 2220 days ago · 47 km deep · 46 km away · felt by 1
- 4.840 km W of Valparaíso, Chile · 2195 days ago · 18 km deep · 55 km away · felt by 12
- 4.58 km WNW of Buin, Chile · 2195 days ago · 85 km deep · 95 km away · felt by 17
- 4.436 km NNW of Viña del Mar, Chile · 2186 days ago · 34 km deep · 84 km away · felt by 15
- 4.23 km SE of Lampa, Chile · 2185 days ago · 79 km deep · 91 km away · felt by 2
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000bbrx. Read Sat, Oct 3, 2026, 3:57 AM UTC.